Program unit for printing calculator



g- 15, 1967 R. A. EDWARDS ETAL 3,335,947

PROGRAM UNIT FOR PRINTING CALCULATOR Original Filed Dec, 16, 1963 49 Sheets-Sheet INVENTORS.

RICHARD A. EDWARDS CHARLES A. LINDBERG EUGENE E. REYNOLDS ROBERT I.STITT JAMES R,W|LSON,JR.

AGENT g 1967 R. A. EDWARDS ETAL 3,335,947

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PROGRAM UNIT FOR PRINTING CALCULATOR Original Filed Dec. 16, 1963 49 Sheets-Sheet 4 Aug. 15, 1967 R. A. EDWARDS ETAL 3,335,947

PROGRAM UNIT FOR PRINTING CALCULATOR Original Filed Dec. 16, 1965 49 Sheets-Sheet 5 ONE REVOLUTION OF SIEFT 330 (FIGS?) AND 4) I j MOVEMENT OF LEVER 406 AND SHAFT 408 (FIG.4I

RIGHT STROKE OF RACK ASSEMBLIES 300 (FIG.3)

T I 5/-\ II I I "I I I I I I I I l o 40 so 120 I60 200 240 280 LEFT STROKE OF RACK ASSEMBLIES 300 I I I I I I r I l PRINTING SEGMENTS 3II LOCKED MOVEMENT OF LOCKING BAIL 34I (FIG.3I

I 3I37-B PLATEN 327 (FIG, 38) IN POSITION PRINTING PERIOD PLATEN ROCKED CCW, r

PLATEN ROCKED CW,

BACK FEED W FORWARD FEED I SPACE FOLLOWER 3II9IFIG-3I) ..i

AND PLATEN 32? (mama so WELL 5 C F I I I I I I l I I I l ACTUATOR DRIVE SHAFT 408 (FIG.4) IN DRIVEN POSITION I I I l I PRINTING SEGMENTS 3I| (FIG. 3) IN POSITION AND LOCKED PLATEN 327 (FIG. 3) PRESSED AGAINST PRINTING SEGMENT PLATEN 327 REMOVED ACTUATOR DRIVE SHAFT 408 (FIG.4) RESTORED TO INITIAL POSITION H PRINTING SEGMENTS 3II UNLOCKED FROM BAIL 34I TO BEGIN RESTORATION PRINTING SEGMENTS 3II FULLY RESTORED g- 15, 19-67 R. A. EDWARDS ETAL 3,335,947

PROGRAM UNIT FOR PRINTING CALCULATOR Original Filed Dec. 16. 1963 49 Sheets-Sheet 6 EDWARDS ETAL 3,335,947 PROGRAM UNIT FOR PRINTING CALCULATOR Aug. 15, 1967 49 Sheets-Sheet '7 Original Filed Dec.

Aug. 15, 1967' R. A. EDWARDS ETAL 3,335,947

PROGRAM UNIT FOR PRINTING CALCULATOR Original Filed Dec. 16, 1963 49 Sheets-Sheet 8 I30! NONADD --IZ O|C MINUS Aug. 15, 1967 R. A. EDWARDS ETAL 3,

PROGRAM UNIT FOR PRINTING CALCULATOR Original Filed Dec.

49 Sheets-Sheet 9 Aug. 15, 1967 R. A. EDWARDS ETAL 3,335,947

PROGRAM UNIT FOR PRINTING CALCULATOR Original Filed Dec. 16, 1963 49 Sheets-$heet 1O Aug. 15, 1967 Original Filed Dec. 16, 1963 ITA ' R. A. EDWARDS ETAL 3,335,947

PROGRAM UNIT FOR PRINTING CALCULATOR 4.9 Sheets-Sheet 11 ACCUM. REG. 207 (FIG.3) DURING ADD CYCLE 1r TRANSFER LEVERS 32|O (Fl G32) RESTORED BY BAIL 32I8 AT 45 ACCUM. REG. 207

. i ACCUM. REG. 207 IN ENGAGEMENT WITH UPPER RACK TEETH 348 CENTRALIZED v I--I-- IIIIIIIIIIIIIIIIfi o 40 80 I20 .I60 200 240 280 320 360 .l

CLEAR CAM 2546 (FIG. 25) DRIVING SHIFTABLE CLEAR PLATE 230i (FIG. 23) LEFTWARD PIN CARRIAGE CLEARANCE CAM 2605 (FIG. 26) DRIVINGPIN CARRIAGE 205 (FIG. 23) RIGHTWARD ITB L I I I I I l I I l I l I I I I I I I I I I I I I I I I I I I I I I I ACCUM. REG. 207 (FIG.3) D@NG TOTAL DEBIT CYCLE AccUIvI. REG. 207 IN ENGAGEMENT wITH UPPER RACK TEETH 34s I AccUIvI. REG. 207 CENTRALIZED I-I- I I III II IIIIII I I IH ACCUM. REG. 20? (FIG.3) DURING SUBTOTAL DEBIT CYCLE ACCUM REG 207 ACCUM. REG. 207 IN ENGAGEMENT CENTRALIZED WITH UPPER RACK TEETH 348 v P-I- IIIIIIIIIIIIIIIIH I20 240 ACCUM. REG. 207(FIG.3))@DURING A MINUS CYCLE I 1 ACCUM. REG. 20? IN ENGAGEMENT WITH LOWER RACK TEETH 350 II,+IIIIIII\IIIIIIII g- 1967 R. A. EDWARDS ETAL 3,335,947

PROGRAM UNIT FOR PRINTING CALCULATOR Original Filed Dec. 16, 1963 49 Sheets-Sheet l2 Aug. 1967 R. A. EDWARDS ETAL 3,335,947

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PROGRAM UNIT FOR PRINTING CALCULATOR Original Filed Dec. 16, 1963 49 SheetsSheet 14 Aug. 15, 1967 R. A. EDWARDS ETAL 3,335,947

PROGRAM UNIT FOR PRINTING CALCULATOR Ofiginal Filed Dec.

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PROGRAM UNIT FOR PRINTING CALCULATOR 49 Sheets-Sheet 16 Original Filed Dec. 16, 1963 wmmm 8 1967 R. A. EDWARDS ETAL 3,335,947

PROGRAM UNIT FOR PRINTING CALCULATOR OriginalFiled Dec. 1.6, 1963 49 SheetsSheet 17 R. A. EDWARDS ETAL 3,335,947

PROGRAM UNIT FOR PRINTING CALCULATOR Aug. 15, 1967 49 Sheets-Sheet 19 Original Filed Dec.

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1. IN A CALCULATING MACHINE THAT PERFORMS MULTIPLICATION AND DIVISION UNDER CONTROL OF A PROGRAM UNIT, THE COMBINATION OF: (A) A DIVISION PLATE IN SAID PROGRAM UNIT WITH A PLURALITY OF CONTROL SURFACES THEREON; (B) A MULTIPLICATION PLATE IN SAID PROGRAM UNIT WITH A PLURALITY OF CONTROL SURFACES THEREON; (C) MEANS FOR RELEASING ONE OF SAID PLATES FROM AN INACTIVE TO AN ACTIVE POSITION FOR SUBSEQUENT CONTROL OF A CORRESPONDING OPERATION; (D) SENSING MEANS COMMON TO SAID PLATES AND NORMALLY STANDING CLEAR OF SAID PLATES; (E) MEANS FOR RELEASING SAID SENSING MEANS AGAINST THE CONTROL SURFACES OF THE ONE OF THE PLATES STANDING IN AND ACTIVE POSITION; AND (F) MEANS RRESPONSIVE TO THE SENSING MOVEMENTS OF SAID SENSING MEANS FOR CONTROLLING THE MACHINE TO CARRY OUT A PLURALITY OF OPERATINGS ACCORDING TO THE CONTROL SURFACES SENSED ON THAT PLATE. 